Home / 731,848.61-1,010,056.74-421,691.83

Finding the Fourth Proportional to 731,848.61, 1,010,056.74 and 421,691.83

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Solution

The fourth proportional to 731,848.61, 1,010,056.74 and 421,691.83 is: 581,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,848.61 : 1,010,056.74 = 421,691.83 : x
  2. Step 2: Convert to fraction form
    731,848.61/1,010,056.74 = 421,691.83/x
  3. Step 3: Cross multiply
    731,848.61x = 1,010,056.74 × 421,691.83
  4. Step 4: Simplify right side
    731,848.61x = 425,932,675,094.43
  5. Step 5: Solve for x
    x = 425,932,675,094.43/731,848.61
  6. Step 6: Final answer
    x = 581,995.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.